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Flights from Washington D.C. to San Diego Starting at £38

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Washington D.C. to San Diego

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from Washington D.C. to San Diego

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From £38
American Airlines
From £91
Alaska Airlines
From £92
Sun Country Airlines
From £98
Delta Air Lines
From £100
Southwest Airlines
From £103
United Airlines
From £108
Jetblue Airways
From £126
ANA airlines

Find more flights and airlines

Alternative Routes from Washington D.C. to San Diego

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Washington D.C. to San Diego.

  • Cheapest
    Frontier Airlines
    DCA
    07:00
    8h 59m
    1 transfer
    SAN
    12:59
    Ronald Reagan Washington National Airport - San Diego International Airport
    Mon, May 6Frontier Airlines
    £38
  • American Airlines
    IAD
    05:04
    8h 14m
    1 transfer
    SAN
    10:18
    Dulles International Airport - San Diego International Airport
    Wed, Apr 24American Airlines
    £91
  • American Airlines
    IAD
    05:04
    8h 14m
    1 transfer
    SAN
    10:18
    Dulles International Airport - San Diego International Airport
    Wed, Apr 24American Airlines
    £91
    Find More Flights

How do I find the cheapest flights?

How to find a cheap flight from Washington D.C. to San Diego

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Washington D.C. to San Diego. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Washington D.C. to San Diego

Cheapest direct flight price

£37

Cheapest return ticket price

£128

Cheapest month

May

Peak season for travel

July

Flight distance

3,654.5km

Average flight time

6 hours 10 minutes

Popular airline

Frontier Airlines